\begin{tikzpicture}
	\tkzDefPoints{0/0/B, 4/0/C, 0/2/D, 4/2/E, 3/3/A}
	\tkzInterLL(A,B)(D,E)   \tkzGetPoint{G}

	\tkzDrawSegments(A,B  B,C  D,E)

	\tkzMarkAngle[size=0.4](C,B,A)  \tkzLabelAngle[pos=0.6](C,B,A){$1$}
	\tkzMarkAngle[size=0.4](D,G,B)  \tkzLabelAngle[pos=0.6](D,G,B){$2$}
	\tkzMarkAngle[size=0.3](B,G,E)  \tkzLabelAngle[pos=0.5](B,G,E){$3$}
	\tkzMarkAngle[size=0.4](E,G,A)  \tkzLabelAngle[pos=0.6](E,G,A){$4$}

	\tkzLabelPoints[below](B,C,D,E)
	\tkzLabelPoints[right](A)
\end{tikzpicture}

